Ключевые слова: blade, circle, circular, construction, cut, cutting, diamond, disc, disk, electric, engineering, equipment, factory, grinder, hand, industry, iron, light, machine, manual, manufacture, manufacturing, mechanic, metal, part, power, production, protection, round, safety, saw, spark, speed, spin, steel, technical, technology, tool, treatment, turning, wheel, work, worker, working, workshop,